CN216928731U - Shell for button cell and button cell - Google Patents

Abstract

The utility model discloses a shell for a button battery and the button battery, which comprise a shell assembly and a conductive assembly, wherein the shell assembly comprises a first shell and a second shell, the first shell and the second shell are in insulation fit and form a battery core cavity, and the battery core cavity is used for accommodating the battery core assembly; the conductive component comprises a first conductive piece and a second conductive piece, and the first conductive piece and the second conductive piece are both positioned outside the electric core cavity; the first conductive member is provided with a first connecting part and a first conductive part; the second conductive member has a second connecting portion and a second conductive portion. The first conductive piece is electrically connected with the first shell through the first connecting part, and the second conductive piece is electrically connected with the second shell through the second connecting part; because at least one part of the first conductive part and at least one part of the second conductive part are both positioned outside the shell assembly, the peripheral parts can be connected according to the positions and spaces of the electrode plates of the power utilization ends, and the installation convenience is improved; meanwhile, operations such as welding wires and the like are not needed, and the use of consumables is reduced.

Description

Shell for button cell and button cell

Technical Field

The utility model relates to the technical field of button batteries, in particular to a shell for a button battery and the button battery.

Background

Button cells, also known as Button cells, are a type of battery that resembles a Button. The diameter of the button cell is relatively larger, and the thickness of the button cell is relatively thinner. The button cell comprises a shell and an electric core assembly arranged in the shell, wherein the shell comprises a first shell and a second shell.

One of the first shell and the second shell is a positive electrode shell, the other of the first shell and the second shell is a negative electrode shell, and the positive electrode shell and the negative electrode shell are respectively electrically connected with the two electrode plates of the power utilization end to supply power. However, the fitting of the positive and negative electrode cases to the two electrode tabs is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a casing for a button cell and a button cell; the shell for the button battery can be electrically connected with the electrode plate of the power utilization end more conveniently; this button cell includes aforementioned a casing for button cell for it is more convenient with the electrode slice cooperation of power consumption end.

The technical scheme is as follows:

one embodiment provides a case for a button cell, comprising:

the shell assembly comprises a first shell and a second shell, and the first shell and the second shell are in insulation fit and form a core cavity;

a conductive component comprising a first conductive piece and a second conductive piece, both the first conductive piece and the second conductive piece being located outside the core cavity;

the first conductive part is provided with a first connecting part and a first conductive part, the first connecting part is electrically connected with the first shell, the first conductive part is connected with the first connecting part, and at least one part of the first conductive part is positioned outside the shell assembly;

the second conductive part is provided with a second connecting part and a second conductive part, the second connecting part is electrically connected with the second shell, the second conductive part is connected with the second connecting part, and at least one part of the second conductive part is positioned outside the shell assembly.

In the shell for the button battery, the first shell and the second shell are in insulation fit to form a battery cell cavity for accommodating the battery cell assembly, the first conductive piece is electrically connected with the first shell through the first connecting part, and the second conductive piece is electrically connected with the second shell through the second connecting part; because at least one part of the first conductive part and at least one part of the second conductive part are both positioned outside the shell assembly, the external parts can be connected according to the positions and spaces of the electrode plates of the power utilization ends, the installation convenience is improved, and the application range of the button cell is expanded; simultaneously, compare traditional structure, do not need operations such as welding wire, reduced the use of consumptive material, rejected processes such as welding wire, eliminated because of the intensity problem that welding wire produced.

The technical solution is further explained below:

in one embodiment, the housing assembly has first and second opposing sides, the first connection portion being located on the first side and the second connection portion being located on the second side.

In one embodiment, the housing assembly has third and fourth opposing sides;

the first conductive part is positioned on one side of the first connecting part facing the third side, and the first conductive part extends towards the third side;

the second conductive portion is located on a side of the second connection portion facing the fourth side, and the second conductive portion extends toward the fourth side.

In one embodiment, at least a portion of the first conductive portion extends toward the third side and forms a first abutting portion, and the first abutting portion is suspended from the housing assembly;

at least a portion of the second conductive portion extends toward the fourth side and forms a second abutting portion, and the second abutting portion is suspended in the housing assembly.

In one embodiment, at least a portion of the second conductive portion extends toward the first side to form a first extending portion, and the second abutting portion is disposed at the extending end of the first extending portion and extends toward the fourth side.

In one embodiment, at least a portion of the first conductive portion extends toward the second side and forms a third abutment located at the third side of the housing assembly;

at least a portion of the second conductive portion extends toward the first side to form a second extending portion, an extending end of the second extending portion extends toward the second side to form a fourth abutting portion, the second extending portion and the fourth abutting portion are both located on the fourth side of the housing assembly, and the fourth abutting portion is located on a side of the second extending portion away from the housing assembly.

In one embodiment, the first connecting part and the first conductive part are both arranged in a sheet shape; the second connecting part and the second conductive part are both arranged in a sheet shape;

the first connecting part is welded on the outer surface of the first shell; the second connecting part is welded on the outer surface of the second shell;

the first conductive part and the first connecting part are integrally arranged; the second conductive portion is provided integrally with the second connecting portion.

In one embodiment, the first housing cover is disposed on the second housing and forms the electrical core cavity, and the housing assembly further comprises an insulating ring disposed between the first housing and the second housing to insulate the first housing from the second housing.

In one embodiment, the housing assembly further comprises an insulating housing, the insulating housing is sleeved outside the second housing, and the insulating housing is provided with a first housing opening and a second housing opening; the first opening is used for avoiding the first conductive part so that at least one part of the first conductive part is positioned outside the shell assembly, and the second opening is used for avoiding the second conductive part so that at least one part of the second conductive part is positioned outside the shell assembly;

the shell for the button cell further comprises a first insulating sheet and a second insulating sheet, the first insulating sheet is connected with the insulating shell and covers the first shell opening, and the second insulating sheet is connected with the insulating shell and covers the second shell opening.

Another embodiment provides a button cell, including:

the shell for the button battery in any technical scheme;

the battery core subassembly, the battery core subassembly is established the electricity core intracavity, the battery core subassembly has first utmost point ear and second utmost point ear, first utmost point ear with first casing electric connection, the second utmost point ear with second casing electric connection, first utmost point ear with one in the second utmost point ear is anodal ear, first utmost point ear with another in the second utmost point ear is the negative pole ear.

The button battery adopts the shell for the button battery, the first conductive piece is electrically connected with the first shell through the first connecting part, and the second conductive piece is electrically connected with the second shell through the second connecting part; because at least one part of the first conductive part and at least one part of the second conductive part are both positioned outside the shell assembly, the external parts can be connected according to the positions and spaces of the electrode plates of the power utilization ends, the installation convenience is improved, and the application range of the button cell is expanded; simultaneously, compare traditional structure, do not need operations such as welding wire, reduced the use of consumptive material, rejected processes such as welding wire, eliminated because of the intensity problem that welding wire produced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Furthermore, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements in the drawings are drawn only by way of example, and not necessarily to true scale.

Fig. 1 is a schematic overall structure diagram of a housing for a button cell in one embodiment of the utility model;

fig. 2 is a schematic view of a casing for a button cell in the embodiment of fig. 1 with the first insulating sheet and the second insulating sheet removed;

fig. 3 is another schematic view of the casing for a button cell in the embodiment of fig. 1 with the first and second insulating sheets removed;

FIG. 4 is a sectional view showing the overall structure of a case assembly in a case for a button cell according to an embodiment;

FIG. 5 is a schematic view of the overall structure of a casing for a button cell in another embodiment of the utility model;

fig. 6 is a schematic structural diagram of a casing for a button cell in the embodiment of fig. 5 after removing a first insulation sheet and a second insulation sheet.

Reference is made to the accompanying drawings in which:

101. an electrical core cavity; 110. a first housing; 120. a second housing; 130. an insulating ring; 140. an insulating case; 141. a first housing port; 142. a second shell port; 210. a first conductive member; 211. a first connection portion; 212. a first conductive portion; 213. a first abutting portion; 214. a third abutting portion; 220. a second conductive member; 221. a second connecting portion; 222. a second conductive portion; 223. a second abutting portion; 224. a fourth abutting portion; 225. a first extension portion; 226. a second extension portion; 310. a first insulating sheet; 320. and a second insulating sheet.

Detailed Description

Embodiments of the present invention are described in detail below with reference to the accompanying drawings:

in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will recognize without departing from the spirit and scope of the present invention.

Referring to fig. 1 and 5, one embodiment provides a housing for a button cell, which includes a housing assembly and a conductive assembly. Wherein:

as shown in fig. 4, the housing assembly includes a first housing 110 and a second housing 120, the first housing 110 and the second housing 120 are in insulation fit and form a battery cell cavity 101, and the battery cell cavity 101 is used for accommodating a battery cell assembly.

In the embodiment shown in fig. 4, the second housing 120 is disposed in a U-shaped cavity, and the first housing 110 is covered above the second housing 120, so as to form a core cavity 101 for accommodating the core assembly.

Optionally, the first casing 110 is a steel cover, the second casing 120 is a steel shell, the steel cover is disposed on the steel shell to form the electrical core cavity 101, and the first casing 110 and the second casing 120 are insulated from each other to avoid short circuit.

As shown in fig. 1, the conductive component includes a first conductive member 210 and a second conductive member 220, and both the first conductive member 210 and the second conductive member 220 are located outside the core cavity 101.

The first conductive member 210 and the second conductive member 220 are both located outside the core cavity 101, that is: the first and second conductive members 210 and 220 are disposed at the outer side of the first and second housings 110 and 120 with respect to the core chamber 101, not at the inner side.

As shown in fig. 1 and fig. 5, the first conductive member 210 has a first connection portion 211 and a first conductive portion 212, the first connection portion 211 is electrically connected to the first housing 110, the first conductive portion 212 is connected to the first connection portion 211, and at least a portion of the first conductive portion 212 is located outside the housing assembly.

As shown in fig. 1 and fig. 5, the second conductive member 220 has a second connection portion 221 and a second conductive portion 222, the second connection portion 221 is electrically connected to the second housing 120, the second conductive portion 222 is connected to the second connection portion 221, and at least a portion of the second conductive portion 222 is located outside the housing assembly.

The first conductive portion 212 and the second conductive portion 222 are respectively used for matching with the power consumption end to supply electric energy. For example, the power consumption terminal has a first electrode pad and a second electrode pad, the first conductive portion 212 abuts against the first electrode pad, and the second conductive portion 222 abuts against the second electrode pad, so that electric power is supplied to the power consumption terminal.

In the casing for the button battery, the first casing 110 and the second casing 120 are in insulation fit to form a battery cell cavity 101 for accommodating a battery cell assembly, the first conductive piece 210 is electrically connected with the first casing 110 through a first connecting part 211, and the second conductive piece 220 is electrically connected with the second casing 120 through a second connecting part 221; because at least one part of the first conductive part 212 and at least one part of the second conductive part 222 are both positioned outside the shell assembly, the external parts can be connected according to the positions and spaces of electrode plates of the power utilization ends, so that the installation convenience is improved, and the application range of the button cell is expanded; simultaneously, compare traditional structure, do not need operations such as welding wire, reduced the use of consumptive material, rejected processes such as welding wire, eliminated because of the intensity problem that welding wire produced.

In one embodiment, referring to fig. 1 and 5, the housing assembly has a first side and a second side opposite to each other, the first connecting portion 211 is located on the first side, and the second connecting portion 221 is located on the second side.

As shown in fig. 1 and 5, the upper side of the housing assembly is the first side and the lower side of the housing assembly is the second side; the first housing 110 is covered on the upper side of the second housing 120, so the first connecting portion 211 is electrically connected to the upper surface of the first housing 110 and located on the upper side of the housing assembly, and the second connecting portion 221 is electrically connected to the lower surface of the second housing 120 and located on the lower side of the housing assembly.

In one embodiment, referring to fig. 1 and 5, the housing assembly has third and fourth opposing sides.

As shown in fig. 1 and 5, the first conductive portion 212 is located on a side of the first connection portion 211 facing the third side, and the first conductive portion 212 extends toward the third side.

As shown in fig. 1 and 5, the second conductive portion 222 is located on a side of the second connection portion 221 facing the fourth side, and the second conductive portion 222 extends toward the fourth side.

As shown in fig. 1 and 5, the third side is the left side of the housing assembly, the fourth side is the right side of the housing assembly, the first conductive portion 212 is located at the left side of the first connecting portion 211 and extends toward the left side, and the second conductive portion 222 is located at the right side of the second connecting portion 221 and extends toward the right side.

In one embodiment, referring to fig. 2 and 3, at least a portion of the first conductive portion 212 extends toward the third side and forms a first abutting portion 213, and the first abutting portion 213 is suspended in the housing assembly.

In one embodiment, referring to fig. 2 and fig. 3, at least a portion of the second conductive portion 222 extends toward the fourth side to form a second abutting portion 223, and the second abutting portion 223 is suspended in the housing assembly.

As shown in fig. 2, the first abutting portion 213 and the second abutting portion 223 are both disposed in a substantially horizontal state, and the first abutting portion 213 and the second abutting portion 223 are both in a suspended state. By this arrangement, the button cell can be brought into better contact with the first and second electrode tabs of the power consumption end by the first and second contact portions 213 and 223.

For example, the battery jar has mounting groove, first slot and second slot, and first slot and second slot are located the relative both sides of mounting groove respectively, and first electrode piece is located the first slot, and the second electrode piece is located the second slot. When installing button cell, button cell's casing subassembly holds in the mounting groove, and first butt portion 213 insert in the first slot and with first electrode slice butt, second butt portion 223 insert in the second slot and with second electrode slice butt, and then realize switching on of circuit, it is very convenient to install.

Of course, since the first abutting portion 213 and the second abutting portion 223 are suspended, the first abutting portion 213 and the second abutting portion 223 can be bent and the like according to the actual position and the available space of the battery cell, so as to be adapted to the battery cell, thereby improving the application range of the button cell and enabling the button cell to have a higher modular function.

In one embodiment, referring to fig. 2 and fig. 3, at least a portion of the second conductive portion 222 extends toward the first side to form a first extending portion 225, and the second abutting portion 223 is disposed at an extending end of the first extending portion 225 and extends toward the fourth side.

As shown in fig. 2, the right end of the second conductive portion 222 extends toward the upper side to form a first extending portion 225, and the second abutting portion 223 is located at the upper end of the first extending portion 225 and extends toward the right end.

Optionally, the first abutment 213 and the second abutment 223 are on the same plane.

In another embodiment, referring to fig. 5 and 6, at least a portion of the first conductive portion 212 extends toward the second side to form a third abutting portion 214, and the third abutting portion 214 is located at a third side of the housing assembly.

As shown in fig. 5 and 6, at least a portion of the second conductive portion 222 extends toward the first side to form a second extending portion 226, an extending end of the second extending portion 226 extends toward the second side to form a fourth abutting portion 224, the second extending portion 226 and the fourth abutting portion 224 are both located on the fourth side of the housing assembly, and the fourth abutting portion 224 is located on a side of the second extending portion 226 away from the housing assembly.

As shown in fig. 6, the first conductive portion 212 extends downward to form a third contact portion 214, the second conductive portion 222 extends upward to form a second extending portion 226, and the upper end of the fourth contact portion 224 is bent and then extends downward to form a fourth contact portion 224. So set up, be convenient for carry out electric connection with the battery jar.

For example, the first electrode plate and the second electrode plate are respectively located on two opposite inner side walls of the battery jar, and after the button cell is placed in the battery jar, the third abutting portion 214 abuts against the first electrode plate, and the fourth abutting portion 224 abuts against the second electrode plate, so that the circuit is conducted, and the installation is very convenient.

It can be understood that:

since the fourth abutting portion 224 is formed by bending the second extending portion 226 again, when the fourth abutting portion abuts against the second electrode plate, the fourth abutting portion can function like a pressing spring, so that reliable abutting is ensured, and poor contact is avoided.

In one embodiment, referring to fig. 2, fig. 3, fig. 5 and fig. 6, the first connection portion 211 and the first conductive portion 212 are both disposed in a sheet shape; the second connection portion 221 and the second conductive portion 222 are both provided in a sheet shape.

In the embodiment shown in fig. 2 and 3, each of the first connection portion 211 and the second connection portion 221 is substantially a rectangular sheet-shaped structure, and each of the first conductive portion 212 and the second conductive portion 222 is substantially a strip-shaped sheet-shaped structure.

Optionally, the first conductive member 210 and the second conductive member 220 are both nickel sheets.

In one embodiment, referring to fig. 2, 3, 5 and 6, the first connecting portion 211 is welded to the outer surface of the first shell 110; the second connection portion 221 is welded to the outer surface of the second case 120.

As shown in fig. 2, 3, 5 and 6, the first connection portion 211 is welded to the upper surface of the first housing 110, and the second connection portion 221 is welded to the lower surface of the second housing 120.

Specifically, welding may be performed by resistance welding or laser welding.

In one embodiment, referring to fig. 2, 3, 5 and 6, the first conductive portion 212 is integrally disposed with the first connecting portion 211; the second conductive portion 222 is provided integrally with the second connection portion 221.

In one embodiment, referring to fig. 4, the first casing 110 is disposed on the second casing 120 to form the core cavity 101, and the casing assembly further includes an insulating ring 130, and the insulating ring 130 is disposed between the first casing 110 and the second casing 120 to insulate the first casing 110 from the second casing 120.

As shown in fig. 1 to 6, the first casing 110 is substantially a cover, and the second casing 120 is substantially a U-shaped cavity or a cylinder structure with a bottom, so as to form a cylindrical casing structure.

In one embodiment, referring to fig. 2 to 4, the housing assembly further includes an insulating housing 140, the insulating housing 140 is sleeved outside the second housing 120, and the insulating housing 140 has a first housing opening 141 and a second housing opening 142; first housing opening 141 is configured to receive first conductive member 210 such that at least a portion of first conductive portion 212 is outside of the housing assembly, and second housing opening 142 is configured to receive second conductive member 220 such that at least a portion of second conductive portion 222 is outside of the housing assembly.

As shown in fig. 4, the insulating housing 140 is substantially cylindrical, the insulating housing 140 is disposed on the outer side of the second housing 120, the upper side of the insulating housing 140 has a first housing opening 141, and the lower side of the insulating housing 140 has a second housing opening 142.

In the embodiment shown in fig. 2, the first housing opening 141 can expose at least a portion of the first housing 110, the first connecting portion 211 is welded and fixed to the exposed surface of the first housing 110, and the first conductive portion 212 extends from the first housing opening 141 for electrically connecting to the first electrode pad.

In the embodiment shown in fig. 3, the second casing opening 142 can expose at least a portion of the bottom of the second casing 120, the second connecting portion 221 is welded and fixed to the exposed surface of the second casing 120, and the second conductive portion 222 extends out of the second casing opening 142 for electrically connecting to the second electrode pad.

In one embodiment, referring to fig. 1 and 5, the casing for the button cell further includes a first insulation sheet 310 and a second insulation sheet 320, the first insulation sheet 310 is connected with the insulation case 140 and covers the first case opening 141, and the second insulation sheet 320 is connected with the insulation case 140 and covers the second case opening 142.

Alternatively, as shown in fig. 1 and 5, a part of the first conductive portion 212 is sandwiched between the first insulating sheet 310 and the insulating case 140; a part of the second conductive portion 222 is sandwiched between the second insulating sheet 320 and the insulating case 140.

Through the arrangement of the first insulation sheet 310, the second insulation sheet 320 and the insulation shell 140, the whole shell body except the first conductive part 212 and the second conductive part 222 cannot be conducted with external components, and therefore short circuit is not prone to occurring in the using process.

Another embodiment provides a button cell, including:

a case for a button cell as in any of the above embodiments;

the electric core assembly is arranged in the electric core cavity 101 and is provided with a first lug and a second lug, the first lug is electrically connected with the first shell 110, the second lug is electrically connected with the second shell 120, one of the first lug and the second lug is a positive lug, and the other of the first lug and the second lug is a negative lug.

The button cell adopts the shell for the button cell, the first conductive member 210 is electrically connected with the first shell 110 through the first connecting part 211, and the second conductive member 220 is electrically connected with the second shell 120 through the second connecting part 221; because at least one part of the first conductive part 212 and at least one part of the second conductive part 222 are both positioned outside the shell assembly, the external parts can be connected according to the positions and spaces of electrode plates of the power utilization ends, so that the installation convenience is improved, and the application range of the button cell is expanded; simultaneously, compare traditional structure, do not need operations such as welding wire, reduced the use of consumptive material, rejected processes such as welding wire, eliminated because of the intensity problem that welding wire produced.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims (10)

1. A housing for a button cell, comprising:

the shell assembly comprises a first shell and a second shell, and the first shell and the second shell are in insulation fit and form a core cavity;

a conductive component comprising a first conductive piece and a second conductive piece, both the first conductive piece and the second conductive piece being located outside the core cavity;

the first conductive part is provided with a first connecting part and a first conductive part, the first connecting part is electrically connected with the first shell, the first conductive part is connected with the first connecting part, and at least one part of the first conductive part is positioned outside the shell assembly;

the second conductive part is provided with a second connecting part and a second conductive part, the second connecting part is electrically connected with the second shell, the second conductive part is connected with the second connecting part, and at least one part of the second conductive part is positioned outside the shell assembly.

2. A housing for a button cell according to claim 1 wherein said housing assembly has first and second opposing sides, said first connection portion being located on said first side and said second connection portion being located on said second side.

3. A housing for a button cell as defined in claim 2 wherein said housing assembly has third and fourth opposing sides;

the first conductive part is positioned on one side of the first connecting part facing the third side, and the first conductive part extends towards the third side;

the second conductive portion is located on a side of the second connection portion facing the fourth side, and the second conductive portion extends toward the fourth side.

4. A housing for a button cell according to claim 3 wherein at least a portion of said first conductive portion extends toward said third side and forms a first abutment, said first abutment being suspended from said housing assembly;

at least a portion of the second conductive portion extends toward the fourth side to form a second abutting portion, and the second abutting portion is suspended in the housing assembly.

5. The casing for the button cell as defined in claim 4, wherein at least a portion of the second conductive portion extends toward the first side and forms a first extension, and the second abutting portion is provided at an extended end of the first extension and extends toward the fourth side.

6. The housing for button cells as defined in claim 3 wherein at least a portion of the first conductive portion extends toward the second side and forms a third abutment, the third abutment being located on the third side of the housing assembly;

at least a portion of the second conductive portion extends toward the first side to form a second extending portion, an extending end of the second extending portion extends toward the second side to form a fourth abutting portion, the second extending portion and the fourth abutting portion are both located on the fourth side of the housing assembly, and the fourth abutting portion is located on one side, away from the housing assembly, of the second extending portion.

7. A case for a button cell according to any of claims 1-6 wherein the first connecting portion and the first conductive portion are each provided in a sheet shape; the second connecting part and the second conductive part are both arranged in a sheet shape;

the first connecting part is welded on the outer surface of the first shell; the second connecting part is welded on the outer surface of the second shell;

the first conductive part and the first connecting part are integrally arranged; the second conductive portion is provided integrally with the second connecting portion.

8. The housing for a button cell of claim 7 wherein said first housing cover is disposed on said second housing and forms said electrical core cavity, said housing assembly further comprising an insulating ring disposed between said first housing and said second housing to insulate said first housing from said second housing.

9. The casing for a button cell as defined in claim 8, wherein the casing assembly further comprises an insulating casing, the insulating casing is sleeved outside the second casing, and the insulating casing has a first casing opening and a second casing opening; the first opening is used for avoiding the first conductive part so that at least one part of the first conductive part is positioned outside the shell assembly, and the second opening is used for avoiding the second conductive part so that at least one part of the second conductive part is positioned outside the shell assembly;

the shell for the button cell further comprises a first insulation sheet and a second insulation sheet, the first insulation sheet is connected with the insulation shell and covers the first shell opening, and the second insulation sheet is connected with the insulation shell and covers the second shell opening.

10. A button cell, comprising:

a housing for a button cell according to any of the claims 1-9;

the battery core subassembly, the battery core subassembly is established the electricity core intracavity, the battery core subassembly has first utmost point ear and second utmost point ear, first utmost point ear with first casing electric connection, the second utmost point ear with second casing electric connection, first utmost point ear with one in the second utmost point ear is anodal ear, first utmost point ear with another in the second utmost point ear is the negative pole ear.

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